Hello dear

First of all just reading any of the book will not help you to score good marks in jee mains because jee exam is one of the important exam in India through which admission in NIT  AND IIIT s and other Various college in btech course.

This exam filters those students who are better than others. And you need a lots of practice to give them competition.

NCERT book provides you a good stuff and a good basics but the practice you require can not be fulfill by only this because there are not so much question available. Matha book is good their are a number of question available for practice

But instead of it you should move towards other good books also which helps you to build your concepts and you can solve any questions on that concepts .

But apart from  this if you restrict yourself to the NCERT book only than you may score good marks it will depend upon your natural talent and your understanding and responding power .

But averagely you can score near about 100 marks.

So good luck

Dear Aspirant,

You can  not get a good marks using ncert only. NCERTs are like the road map. But you need some other books, some question banks, some coaching material too to get a good marks. NCERT alone may have fetch you 100 marks at max, and that too when you have familiarity with the topic from some other means like teaching.

But by the combination of the things I have mentioned you can expect a very good marks if you will remain consistent.

Thank you.